diff options
Diffstat (limited to 'Modules/ExternalProject.cmake')
| -rw-r--r-- | Modules/ExternalProject.cmake | 68 |
1 files changed, 50 insertions, 18 deletions
diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake index 20b37d2..14fc231 100644 --- a/Modules/ExternalProject.cmake +++ b/Modules/ExternalProject.cmake @@ -261,7 +261,9 @@ External Project Definition ``GIT_SUBMODULES <module>...`` Specific git submodules that should also be updated. If this option is - not provided, all git submodules will be updated. + not provided, all git submodules will be updated. When :policy:`CMP0097` + is set to ``NEW`` if this value is set to an empty string then no submodules + are initialized or updated. ``GIT_SHALLOW <bool>`` When this option is enabled, the ``git clone`` operation will be given @@ -1016,6 +1018,9 @@ function(_ep_parse_arguments f name ns args) endif() else() set(key "${arg}") + if(key MATCHES GIT) + get_property(have_key TARGET ${name} PROPERTY ${ns}${key} SET) + endif() endif() endforeach() endfunction() @@ -1060,7 +1065,7 @@ define_property(DIRECTORY PROPERTY "EP_UPDATE_DISCONNECTED" INHERITED "ExternalProject module." ) -function(_ep_write_gitclone_script script_filename source_dir git_EXECUTABLE git_repository git_tag git_remote_name git_submodules git_shallow git_progress git_config src_name work_dir gitclone_infofile gitclone_stampfile tls_verify) +function(_ep_write_gitclone_script script_filename source_dir git_EXECUTABLE git_repository git_tag git_remote_name init_submodules git_submodules git_shallow git_progress git_config src_name work_dir gitclone_infofile gitclone_stampfile tls_verify) if(NOT GIT_VERSION_STRING VERSION_LESS 1.8.5) # Use `git checkout <tree-ish> --` to avoid ambiguity with a local path. set(git_checkout_explicit-- "--") @@ -1145,11 +1150,14 @@ if(error_code) message(FATAL_ERROR \"Failed to checkout tag: '${git_tag}'\") endif() -execute_process( - COMMAND \"${git_EXECUTABLE}\" ${git_options} submodule update --recursive --init ${git_submodules} - WORKING_DIRECTORY \"${work_dir}/${src_name}\" - RESULT_VARIABLE error_code - ) +set(init_submodules ${init_submodules}) +if(init_submodules) + execute_process( + COMMAND \"${git_EXECUTABLE}\" ${git_options} submodule update --recursive --init ${git_submodules} + WORKING_DIRECTORY \"${work_dir}/${src_name}\" + RESULT_VARIABLE error_code + ) +endif() if(error_code) message(FATAL_ERROR \"Failed to update submodules in: '${work_dir}/${src_name}'\") endif() @@ -1226,7 +1234,7 @@ endif() endfunction() -function(_ep_write_gitupdate_script script_filename git_EXECUTABLE git_tag git_remote_name git_submodules git_repository work_dir) +function(_ep_write_gitupdate_script script_filename git_EXECUTABLE git_tag git_remote_name init_submodules git_submodules git_repository work_dir) if("${git_tag}" STREQUAL "") message(FATAL_ERROR "Tag for git checkout should not be empty.") endif() @@ -1383,11 +1391,14 @@ if(error_code OR is_remote_ref OR NOT (\"\${tag_sha}\" STREQUAL \"\${head_sha}\" endif() endif() - execute_process( - COMMAND \"${git_EXECUTABLE}\" submodule update --recursive --init ${git_submodules} - WORKING_DIRECTORY \"${work_dir}/${src_name}\" - RESULT_VARIABLE error_code - ) + set(init_submodules ${init_submodules}) + if(init_submodules) + execute_process( + COMMAND \"${git_EXECUTABLE}\" submodule update --recursive --init ${git_submodules} + WORKING_DIRECTORY \"${work_dir}/${src_name}\" + RESULT_VARIABLE error_code + ) + endif() if(error_code) message(FATAL_ERROR \"Failed to update submodules in: '${work_dir}/${src_name}'\") endif() @@ -1972,7 +1983,7 @@ endif() set(stderr_log "${logbase}-err.log") endif() set(code " -cmake_minimum_required(VERSION 3.13) +cmake_minimum_required(VERSION 3.15) ${code_cygpath_make} set(command \"${command}\") set(log_merged \"${log_merged}\") @@ -2420,7 +2431,15 @@ function(_ep_add_download_command name) if(NOT git_tag) set(git_tag "master") endif() - get_property(git_submodules TARGET ${name} PROPERTY _EP_GIT_SUBMODULES) + + set(git_init_submodules TRUE) + get_property(git_submodules_set TARGET ${name} PROPERTY _EP_GIT_SUBMODULES SET) + if(git_submodules_set) + get_property(git_submodules TARGET ${name} PROPERTY _EP_GIT_SUBMODULES) + if(git_submodules STREQUAL "" AND _EP_CMP0097 STREQUAL "NEW") + set(git_init_submodules FALSE) + endif() + endif() get_property(git_remote_name TARGET ${name} PROPERTY _EP_GIT_REMOTE_NAME) if(NOT git_remote_name) @@ -2458,7 +2477,7 @@ function(_ep_add_download_command name) # The script will delete the source directory and then call git clone. # _ep_write_gitclone_script(${tmp_dir}/${name}-gitclone.cmake ${source_dir} - ${GIT_EXECUTABLE} ${git_repository} ${git_tag} ${git_remote_name} "${git_submodules}" "${git_shallow}" "${git_progress}" "${git_config}" ${src_name} ${work_dir} + ${GIT_EXECUTABLE} ${git_repository} ${git_tag} ${git_remote_name} ${git_init_submodules} "${git_submodules}" "${git_shallow}" "${git_progress}" "${git_config}" ${src_name} ${work_dir} ${stamp_dir}/${name}-gitinfo.txt ${stamp_dir}/${name}-gitclone-lastrun.txt "${tls_verify}" ) set(comment "Performing download step (git clone) for '${name}'") @@ -2723,9 +2742,18 @@ function(_ep_add_update_command name) if(NOT git_remote_name) set(git_remote_name "origin") endif() - get_property(git_submodules TARGET ${name} PROPERTY _EP_GIT_SUBMODULES) + + set(git_init_submodules TRUE) + get_property(git_submodules_set TARGET ${name} PROPERTY _EP_GIT_SUBMODULES SET) + if(git_submodules_set) + get_property(git_submodules TARGET ${name} PROPERTY _EP_GIT_SUBMODULES) + if(git_submodules STREQUAL "" AND _EP_CMP0097 STREQUAL "NEW") + set(git_init_submodules FALSE) + endif() + endif() + _ep_write_gitupdate_script(${tmp_dir}/${name}-gitupdate.cmake - ${GIT_EXECUTABLE} ${git_tag} ${git_remote_name} "${git_submodules}" ${git_repository} ${work_dir} + ${GIT_EXECUTABLE} ${git_tag} ${git_remote_name} ${git_init_submodules} "${git_submodules}" ${git_repository} ${work_dir} ) set(cmd ${CMAKE_COMMAND} -P ${tmp_dir}/${name}-gitupdate.cmake) set(always 1) @@ -3138,6 +3166,10 @@ endfunction() function(ExternalProject_Add name) + cmake_policy(GET CMP0097 _EP_CMP0097 + PARENT_SCOPE # undocumented, do not use outside of CMake + ) + _ep_get_configuration_subdir_suffix(cfgdir) # Add a custom target for the external project. |